How does a Polar Bear keep warm in cold Northern weather?(a) It curls up into a tight ball and shivers to generate body heat(b) It has translucent hair and black skin that absorbs and preserves body heat(c) It runs really fast to increase blood flow and circulation(d) It buries itself in the snow (which acts like a big fuzzy blanket!)

This bird species is one of the first birds to begin singing in the morning, and one of the last to be heard at night. What is it?(a) American Goldfinch(b) Blue Jay(c) Black Capped Chickadee(d) American Robin